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libc: Document errno.h

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apio 2022-10-12 12:01:07 +02:00
parent b42c866db8
commit 0d3e7d4463
1 changed files with 9 additions and 8 deletions
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17
libs/libc/include/errno.h
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@ -1,15 +1,16 @@
#ifndef _ERRNO_H #ifndef _ERRNO_H
#define _ERRNO_H #define _ERRNO_H
/* The last error encountered during a call to a library or system function. */
extern int errno; extern int errno;
#define EPERM 1 #define EPERM 1 // Operation not permitted
#define ENOENT 2 #define ENOENT 2 // No such file or directory
#define EBADF 9 #define EBADF 9 // Bad file descriptor
#define ENOMEM 12 #define ENOMEM 12 // Cannot allocate memory
#define EISDIR 21 #define EISDIR 21 // Is a directory
#define EINVAL 22 #define EINVAL 22 // Invalid argument
#define EMFILE 24 #define EMFILE 24 // Too many open files
#define ENOSYS 38 #define ENOSYS 38 // Function not implemented
#endif #endif